Respuesta :

Answer:

6

Step-by-step explanation:

4x=28-4

4x=24

x=6

Answer is 6

[tex] \sf{4x+4=28} \\\\ \sf{4x= 28-4} \\\\ \sf{4x = 24} \\\\ \sf{x = {\dfrac{24}{4}}} \\\\ \sf{x=6} [/tex]